All names: EGGR 521, 2MASS J03155096+2212239, WD 0311-543, Gaia EDR3 62271429450749824, WD 0312+220, WDJ031550.94+221223.78, Gaia DR3 62271429450749824, UCAC4 562-006536, USNO-B1.0 1122-00045438, GD 43, TIC 426472882, LSPM J0315+2212, WD 0312+223, WG 45, Gaia DR2 62271429450749824, WISEA J031551.08+221223.7, WISE J031551.06+221224.0
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 03 15 51.13 (0.05) | 03 15 51.12 (0.08) | 03 15 51.13 | 03 15 50.94 (0.05) | 03 15 51.12 | 03 15 51.12 | ||||||
| Declination | 22 12 23.70 (0.03) | 22 12 23.70 (0.05) | 22 12 23.70 | 22 12 23.78 (0.03) | 22 12 23.70 | 22 12 14.76 | ||||||
| Spectral type | DA | DA | DA2.7 | DA2.5 | ||||||||
| Effective temperature | [K] | 17174.0 | 19439.0 | 18600.0 (301) | 18043.0 (292) | |||||||
| log(g) | [cgs] | 7.92 | 8.16 | 7.89 (0.05) | 7.97 (0.01) | |||||||
| Mass | [M☉] | 0.575 | 0.692 | 0.56 (0.03) | 0.6 (0.01) | |||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.1085 | 0.1133 | |||||||||
| log(H/He) | ||||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | ||||||||||||
| log(Ca/H) | ||||||||||||
| log(C/H) | ||||||||||||
| log(N/H) | ||||||||||||
| log(O/H) | ||||||||||||
| log(Na/H) | ||||||||||||
| log(Mg/H) | ||||||||||||
| log(Al/H) | ||||||||||||
| log(Si/H) | ||||||||||||
| log(P/H) | ||||||||||||
| log(S/H) | ||||||||||||
| log(Sc/H) | ||||||||||||
| log(Ti/H) | ||||||||||||
| log(Cr/H) | ||||||||||||
| log(Mn/H) | ||||||||||||
| log(Fe/H) | ||||||||||||
| log(Ni/H) | ||||||||||||
| Parallax | [mas] | 10.36 (0.05) | 10.46 (0.08) | 10.36 | 10.36 (0.05) | 10.46 (0.08) | ||||||
| Distance | [pc] | 96.50 (0.5) | 95.59 (0.7) | 105.00 | 96.50 | 96.50 (0.5) | 95.59 (0.7) | |||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 166.771927 (0.06) | 166.7785424 (0.2) | 166.772 (0.06) | 166.7785424 | |||||||
| Proper motion (declination) | [mas/yr] | -4.918766503 (0.04) | -4.989430909 (0.1) | -4.919 (0.04) | -4.989430909 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | 15.77 (0.04) | |||||||||||
| V magnitude | 15.86 (0.03) | |||||||||||
| R magnitude | 16.17 (0.1) | |||||||||||
| I magnitude | ||||||||||||
| J magnitude | 16.25 (0.1) | |||||||||||
| H magnitude | 16.10 (0.2) | |||||||||||
| K magnitude | ||||||||||||
| u magnitude | ||||||||||||
| g magnitude | 15.60 (0.01) | |||||||||||
| r magnitude | 16.17 (0.01) | |||||||||||
| i magnitude | ||||||||||||
| z magnitude | ||||||||||||
| G magnitude | 15.85 (0.002) | 15.87 | 15.85 | 15.85 (0.003) | 15.87 | |||||||
| BP magnitude | 15.78 (0.002) | 15.75 | 15.75 | |||||||||
| RP magnitude | 16.01 (0.003) | 16.01 | 16.01 | |||||||||
| Pan g magnitude | 15.70 (0.003) | |||||||||||
| Pan r magnitude | 16.03 (0.002) | |||||||||||
| Pan i magnitude | 16.32 (0.005) | |||||||||||
| Pan z magnitude | 16.58 (0.007) | |||||||||||
| Pan y magnitude | 16.73 (0.006) | |||||||||||
| E(B-V) | 0.008 | |||||||||||
* Constant surface field
Spectra without link are available upon request
The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.